SharePoint configuration management can be challenging, so I'd like to point you to some resources, in addition to my article, "SharePoint Configuration Management: Guidelines and Tips."
SharePoint configuration management is a broad and complex area. The following books and links will help you deepen your knowledge of this topic.
- Microsoft System Center 2012 Cloud & Datacenter Management
- Professional SharePoint 2010 Administration (WROX)
- Dell Database Management and Dell Windows Management (formerly Quest Software)
- Automating SharePoint 2010 with Windows PowerShell 2.0 (Sybex)
- Configuration management page on Wikipedia
- Implementing ITIL Configuration Management (IBM Press)
- Institute of Configuration Management
- Change Management